Definition of photopigment in English:

photopigment

Line breaks: photo|pig¦ment
Pronunciation: /ˈfəʊtəʊˈpɪgm(ə)nt
 
/

noun

  • A pigment whose chemical state depends on its degree of illumination, such as those in the retina of the eye.
    More example sentences
    • The difference absorption spectroscopy in both living plasmodium and cell homogenate shows that there is a photopigment which converts reversibly between red and far-red types.
    • There is no physiological evidence for a third photopigment sensitive to blue wavelengths.
    • It could involve retinal photoreceptors, extraretinal photoreceptors in the pineal or elsewhere, photopigments such as cryptochromes within the retina or brain, or it might be mediated through a non-visual pathway.

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Pronunciation: ˌkɒlərəˈtjʊərə
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elaborate ornamentation of a vocal melody